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Case Study of Polyvinylidene Fluoride Doping by Carbon Nanotubes
Pavel Kaspar1, Dinara Sobola1,2,3, Klára Částková2,4
1Department of Physics, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technická 2848/8, 616 00 Brno, Czech Republic.
Materials (Basel, Switzerland)
|April 3, 2021
Summary
This study enhances polyvinylidene fluoride (PVDF) fibers by adding carbon nanotubes, improving their dielectric constant and conductivity for advanced material applications.
Area of Science:
- Materials Science and Engineering
- Polymer Science
- Nanotechnology
Background:
- Polyvinylidene fluoride (PVDF) thin films are widely used in material science due to their thermal, chemical, ferroelectric, pyroelectric, and piezoelectric properties.
- PVDF fibers are less explored due to challenges associated with their fibrous form.
- Carbon nanotubes (CNTs) offer potential for modifying polymer properties.
Purpose of the Study:
- To improve the properties of polyvinylidene fluoride (PVDF) fibers by incorporating carbon nanotubes (CNTs).
- To investigate the effects of CNT concentration on crystalline phases, dielectric constant, and conductivity of PVDF fibers.
- To establish a foundation for further research into PVDF fiber composites.
Main Methods:
- Fabrication of PVDF-CNT composite fibers using electrospinning.
- Systematic variation of CNT concentration within the PVDF matrix.
- Characterization using structural, chemical, and electrical analysis techniques.
Main Results:
- Successful incorporation of CNTs into PVDF fibers via electrospinning.
- Demonstrated changes in the concentration of crystalline phases within the PVDF.
- Significant increase in the dielectric constant and electrical conductivity of the PVDF-CNT composites.
Conclusions:
- Incorporating CNTs into PVDF fibers via electrospinning effectively enhances their properties.
- The study provides valuable data on the structure-property relationships in PVDF-CNT composites.
- Findings support the increased usability of PVDF fiber composites in various applications.
